If you look up to the sky in the early hours of April 25 you might just see it smiling back at you, NASA skywatchers have forecast. That's when a rare celestial spectacle called a triple conjunction ...

Learn why only 14 out of over 6,000 exoplanets orbit two stars, and how Einstein’s general theory of relativity may be to blame.

Alpha Centauri, one of the two "Pointer Stars" that help stargazers find the Southern Cross in the Southern Hemisphere, may have a planet in orbit around it. If it does, the Webb Telescope will find ...

This artist's concept shows the KOI-134 system, which a 2025 paper revealed to have two planets: KOI-134 b and KOI-134 c. Credit: NASA / JPL-Caltech / K. Miller (Caltech/IPAC) A new investigation into ...